am 320f1126: am cf3f108e: am 5be65fda: Fix sans-serif-thin and sans-serif-light fonts in layoutlib. [DO NOT MERGE]

* commit '320f1126a35fae6e5c2f72f75db5b38bdb207a76':
  Fix sans-serif-thin and sans-serif-light fonts in layoutlib. [DO NOT MERGE]